i need help..

Hey guys got a little problem here I went riding this weekend after the first ride I checked my coolant and it was really low, I have a motion pro overflow bottle and it was full, So I went and got a new rad cap and checked oil to make sure there was no coolant fluid there it was clean, put new rad cap in and went for a ride same thing again coolant keeps coming out of overflow hose. Anyone knows what would cause this? Any help would be appreciated in what should I do. Oh by the way is a yz400f 98.

How long does it take for coolant to be pushed out the tube?

How long does it take for coolant to be pushed out the tube?

Not long at all start and it starts pushing it out

Sounds like a head gasket.

Yup, that's how my 444 acted when it blew a head gasket between the water jacket and cylinder.

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